fix py3_requires
fix py3_requires

Openwsman/openwsman,kkaempf/openwsman,vcrhonek/openwsman,vcrhonek/openwsman,Openwsman/openwsman,kkaempf/openwsman,kkaempf/openwsman,Openwsman/openwsman,vcrhonek/openwsman,kkaempf/openwsman,kkaempf/openwsman,Openwsman/openwsman,kkaempf/openwsman,vcrhonek/openwsman,Openwsman/openwsman,vcrhonek/openwsman,Openwsman/openwsman,kkaempf/openwsman,Openwsman/openwsman,vcrhonek/openwsman,vcrhonek/openwsman